Home / 65,248.02-97,870.70-20,874.77

Finding the Fourth Proportional to 65,248.02, 97,870.70 and 20,874.77

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Solution

The fourth proportional to 65,248.02, 97,870.70 and 20,874.77 is: 31,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248.02 : 97,870.70 = 20,874.77 : x
  2. Step 2: Convert to fraction form
    65,248.02/97,870.70 = 20,874.77/x
  3. Step 3: Cross multiply
    65,248.02x = 97,870.70 × 20,874.77
  4. Step 4: Simplify right side
    65,248.02x = 2,043,027,758.51
  5. Step 5: Solve for x
    x = 2,043,027,758.51/65,248.02
  6. Step 6: Final answer
    x = 31,311.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.